#include <linux/mmzone.h>
#include <linux/clk.h>
#include <linux/delay.h>
+#include <linux/platform_device.h>
+#include <linux/lmb.h>
#include <asm/uaccess.h>
#include <asm/io.h>
#include <asm/page.h>
struct sh_cpuinfo cpu_data[NR_CPUS] __read_mostly = {
[0] = {
.type = CPU_SH_NONE,
+ .family = CPU_FAMILY_UNKNOWN,
.loops_per_jiffy = 10000000,
},
};
size = memparse(p, &p);
if (size > __MEMORY_SIZE) {
- static char msg[] __initdata = KERN_ERR
+ printk(KERN_ERR
"Using mem= to increase the size of kernel memory "
"is not allowed.\n"
" Recompile the kernel with the correct value for "
- "CONFIG_MEMORY_SIZE.\n";
- printk(msg);
+ "CONFIG_MEMORY_SIZE.\n");
return 0;
}
&crash_size, &crash_base);
if (ret == 0 && crash_size) {
if (crash_base <= 0) {
- vp = alloc_bootmem_nopanic(crash_size);
+ vp = alloc_bootmem_nopanic(crash_size);
if (!vp) {
printk(KERN_INFO "crashkernel allocation "
"failed\n");
{}
#endif
-#ifndef CONFIG_GENERIC_CALIBRATE_DELAY
void __cpuinit calibrate_delay(void)
{
struct clk *clk = clk_get(NULL, "cpu_clk");
(loops_per_jiffy/(5000/HZ)) % 100,
loops_per_jiffy);
}
-#endif
void __init __add_active_range(unsigned int nid, unsigned long start_pfn,
unsigned long end_pfn)
void __init setup_bootmem_allocator(unsigned long free_pfn)
{
unsigned long bootmap_size;
+ unsigned long bootmap_pages, bootmem_paddr;
+ u64 total_pages = (lmb_end_of_DRAM() - __MEMORY_START) >> PAGE_SHIFT;
+ int i;
+
+ bootmap_pages = bootmem_bootmap_pages(total_pages);
+
+ bootmem_paddr = lmb_alloc(bootmap_pages << PAGE_SHIFT, PAGE_SIZE);
/*
* Find a proper area for the bootmem bitmap. After this
* bootstrap step all allocations (until the page allocator
* is intact) must be done via bootmem_alloc().
*/
- bootmap_size = init_bootmem_node(NODE_DATA(0), free_pfn,
+ bootmap_size = init_bootmem_node(NODE_DATA(0),
+ bootmem_paddr >> PAGE_SHIFT,
min_low_pfn, max_low_pfn);
- __add_active_range(0, min_low_pfn, max_low_pfn);
- register_bootmem_low_pages();
-
- node_set_online(0);
+ /* Add active regions with valid PFNs. */
+ for (i = 0; i < lmb.memory.cnt; i++) {
+ unsigned long start_pfn, end_pfn;
+ start_pfn = lmb.memory.region[i].base >> PAGE_SHIFT;
+ end_pfn = start_pfn + lmb_size_pages(&lmb.memory, i);
+ __add_active_range(0, start_pfn, end_pfn);
+ }
/*
- * Reserve the kernel text and
- * Reserve the bootmem bitmap. We do this in two steps (first step
- * was init_bootmem()), because this catches the (definitely buggy)
- * case of us accidentally initializing the bootmem allocator with
- * an invalid RAM area.
+ * Add all physical memory to the bootmem map and mark each
+ * area as present.
*/
- reserve_bootmem(__MEMORY_START + CONFIG_ZERO_PAGE_OFFSET,
- (PFN_PHYS(free_pfn) + bootmap_size + PAGE_SIZE - 1) -
- (__MEMORY_START + CONFIG_ZERO_PAGE_OFFSET),
- BOOTMEM_DEFAULT);
+ register_bootmem_low_pages();
- /*
- * reserve physical page 0 - it's a special BIOS page on many boxes,
- * enabling clean reboots, SMP operation, laptop functions.
- */
- reserve_bootmem(__MEMORY_START, CONFIG_ZERO_PAGE_OFFSET,
- BOOTMEM_DEFAULT);
+ /* Reserve the sections we're already using. */
+ for (i = 0; i < lmb.reserved.cnt; i++)
+ reserve_bootmem(lmb.reserved.region[i].base,
+ lmb_size_bytes(&lmb.reserved, i),
+ BOOTMEM_DEFAULT);
+
+ node_set_online(0);
sparse_memory_present_with_active_regions(0);
static void __init setup_memory(void)
{
unsigned long start_pfn;
+ u64 base = min_low_pfn << PAGE_SHIFT;
+ u64 size = (max_low_pfn << PAGE_SHIFT) - base;
/*
* Partially used pages are not usable - thus
* we are rounding upwards:
*/
start_pfn = PFN_UP(__pa(_end));
+
+ lmb_add(base, size);
+
+ /*
+ * Reserve the kernel text and
+ * Reserve the bootmem bitmap. We do this in two steps (first step
+ * was init_bootmem()), because this catches the (definitely buggy)
+ * case of us accidentally initializing the bootmem allocator with
+ * an invalid RAM area.
+ */
+ lmb_reserve(__MEMORY_START + CONFIG_ZERO_PAGE_OFFSET,
+ (PFN_PHYS(start_pfn) + PAGE_SIZE - 1) -
+ (__MEMORY_START + CONFIG_ZERO_PAGE_OFFSET));
+
+ /*
+ * Reserve physical pages below CONFIG_ZERO_PAGE_OFFSET.
+ */
+ if (CONFIG_ZERO_PAGE_OFFSET != 0)
+ lmb_reserve(__MEMORY_START, CONFIG_ZERO_PAGE_OFFSET);
+
+ lmb_analyze();
+ lmb_dump_all();
+
setup_bootmem_allocator(start_pfn);
}
#else
early_param("elfcorehdr", parse_elfcorehdr);
#endif
+void __init __attribute__ ((weak)) plat_early_device_setup(void)
+{
+}
+
void __init setup_arch(char **cmdline_p)
{
enable_mmu();
if (!memory_end)
memory_end = memory_start + __MEMORY_SIZE;
-#ifdef CONFIG_CMDLINE_BOOL
+#ifdef CONFIG_CMDLINE_OVERWRITE
strlcpy(command_line, CONFIG_CMDLINE, sizeof(command_line));
#else
strlcpy(command_line, COMMAND_LINE, sizeof(command_line));
+#ifdef CONFIG_CMDLINE_EXTEND
+ strlcat(command_line, " ", sizeof(command_line));
+ strlcat(command_line, CONFIG_CMDLINE, sizeof(command_line));
+#endif
#endif
/* Save unparsed command line copy for /proc/cmdline */
parse_early_param();
+ plat_early_device_setup();
+
+ /* Let earlyprintk output early console messages */
+ early_platform_driver_probe("earlyprintk", 1, 1);
+
sh_mv_setup();
/*
nodes_clear(node_online_map);
/* Setup bootmem with available RAM */
+ lmb_init();
setup_memory();
sparse_init();
paging_init();
+#ifdef CONFIG_PMB_ENABLE
+ pmb_init();
+#endif
+
#ifdef CONFIG_SMP
plat_smp_setup();
#endif
}
+/* processor boot mode configuration */
+int generic_mode_pins(void)
+{
+ pr_warning("generic_mode_pins(): missing mode pin configuration\n");
+ return 0;
+}
+
+int test_mode_pin(int pin)
+{
+ return sh_mv.mv_mode_pins() & pin;
+}
+
static const char *cpu_name[] = {
[CPU_SH7201] = "SH7201",
[CPU_SH7203] = "SH7203", [CPU_SH7263] = "SH7263",
[CPU_SH7763] = "SH7763", [CPU_SH7770] = "SH7770",
[CPU_SH7780] = "SH7780", [CPU_SH7781] = "SH7781",
[CPU_SH7343] = "SH7343", [CPU_SH7785] = "SH7785",
+ [CPU_SH7786] = "SH7786", [CPU_SH7757] = "SH7757",
[CPU_SH7722] = "SH7722", [CPU_SHX3] = "SH-X3",
[CPU_SH5_101] = "SH5-101", [CPU_SH5_103] = "SH5-103",
[CPU_MXG] = "MX-G", [CPU_SH7723] = "SH7723",
- [CPU_SH7366] = "SH7366", [CPU_SH_NONE] = "Unknown"
+ [CPU_SH7366] = "SH7366", [CPU_SH7724] = "SH7724",
+ [CPU_SH_NONE] = "Unknown"
};
const char *get_cpu_subtype(struct sh_cpuinfo *c)
/* Symbolic CPU flags, keep in sync with asm/cpu-features.h */
static const char *cpu_flags[] = {
"none", "fpu", "p2flush", "mmuassoc", "dsp", "perfctr",
- "ptea", "llsc", "l2", "op32", NULL
+ "ptea", "llsc", "l2", "op32", "pteaex", NULL
};
static void show_cpuflags(struct seq_file *m, struct sh_cpuinfo *c)
if (cpu == 0)
seq_printf(m, "machine\t\t: %s\n", get_system_type());
+ else
+ seq_printf(m, "\n");
seq_printf(m, "processor\t: %d\n", cpu);
seq_printf(m, "cpu family\t: %s\n", init_utsname()->machine);
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff